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Science News Archive March 2013 - Page 18


Page 18 of 30

New MRI method fingerprints tissues and diseases

Researchers at Case Western Reserve University developed a new MRI method that can differentiate white matter from gray matter in the brain in about 12 seconds. The technology uses unique fingerprinting to identify tissues and diseases, promising faster and cheaper scans with more accurate diagnoses.

SourceCase Western Reserve University·JournalNature·DateMar 13, 2013

Computer models predict how patients will respond to HIV drugs

Researchers developed computer models that accurately predict how patients with failing HIV treatments will respond to new therapies, identifying alternative effective regimens. The models were trained on thousands of global clinic data and showed promise for improving patient outcomes in resource-limited settings.

SourceOxford University Press UK·JournalJournal of Antimicrobial Chemotherapy·DateMar 13, 2013

Sun spits out 2 CMEs

Two CMEs were emitted by the sun on March 12-13, 2013, traveling at speeds of around 400 miles per second. These events are expected to have a minimal impact on Earth, with no particle radiation and limited geomagnetic storm effects.

SourceNASA/Goddard Space Flight Center·DateMar 13, 2013

Neuron loss in schizophrenia and depression could be prevented with an antioxidant

Researchers found that mice deficient in glutathione, a molecule essential for cellular protection against oxidations, had impaired parvalbumin neurons when stressed at young age. However, treatment with N-acetylcysteine from birth onwards protected these neurons, suggesting a potential preventive measure for psychiatric disorders.

SourceElsevier·JournalBiological Psychiatry·DateMar 13, 2013
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

It's all in the way we move

A team of researchers from the University of the Witwatersrand analyzed the movement patterns of bipedal kangaroos and wallabies, comparing them to quadrupedal marsupials. They found that bipedal marsupials experience greater joint forces in their hind limbs, which provides insight into the structural uniqueness of these joints.

SourceUniversity of the Witwatersrand·JournalPLOS ONE·DateMar 13, 2013

Predictability: The brass ring for synthetic biology

Researchers unveil public domain DNA sequences and statistical models to engineer microbes with precision, increasing reliability and accuracy. This technological foundation enables more precise genetic engineering in the future.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Methods·DateMar 13, 2013

Bursts of star formation in the early universe

A team of astronomers has found galaxies producing stars at a prodigious rate when the universe was just a billion years old. The discovery, enabled by the Atacama Large Millimeter Array (ALMA), provides valuable data for refining theoretical models of star and galaxy formation in the early universe.

SourceCalifornia Institute of Technology·JournalNature·DateMar 13, 2013
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Study: Probiotics reduce stress-induced intestinal flare-ups

A University of Michigan study reveals that probiotics can reverse the effect of stress on gut microbiota, reducing inflammation and alleviating symptoms of irritable bowel syndrome. The study also highlights the importance of maintaining a healthy gut microbiome through lifestyle changes.

SourceMichigan Medicine - University of Michigan·JournalGASTROENTEROLOGY·DateMar 13, 2013

Extreme water

A team of researchers studied water under extreme conditions, discovering its structure transforms from ordered to disordered at supercritical temperatures. This knowledge provides an improved estimate of water's behavior during geochemical and geological processes.

SourceHelmholtz Association·JournalProceedings of the National Academy of Sciences·DateMar 13, 2013

New technique creates stronger, lightweight magnesium alloys

Engineers have created a new technique to strengthen magnesium alloys, introducing nano-spaced stacking faults to increase strength by approximately 200 percent. The resulting material has high specific strength, making it lighter than steel but stronger, with potential for replacing steel in some applications.

SourceNorth Carolina State University·JournalMaterials Research Letters·DateMar 13, 2013
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Doing business with a parrot

A new study at the University of Vienna found that Goffin cockatoos wait up to 80 seconds for higher-quality food rewards, showing impressive self-control. The birds traded their initial items more often for their most preferred food and adjusted to differences in trade value, mirroring human economic decision-making.

SourceUniversity of Vienna·JournalBiology Letters·DateMar 13, 2013

AAN: Doctors caution against prescribing attention-boosting drugs for healthy kids

The American Academy of Neurology warns against prescribing neuroenhancing drugs to healthy children and teens, citing potential long-term health risks and impaired decision-making abilities. The organization emphasizes the importance of exploring alternative solutions, such as improved sleep habits, nutrition, and study regimens.

SourceAmerican Academy of Neurology·JournalNeurology·DateMar 13, 2013

UT study identifies ways children can meet recommended activity goals

A new study by UT researchers identified specific ways to increase physical activity in children, such as mandatory PE and playground design changes. The study found that these approaches can help kids achieve the recommended daily activity goal of 60 minutes.

SourceUniversity of Tennessee at Knoxville·JournalAmerican Journal of Preventive Medicine·DateMar 13, 2013

ALMA rewrites history of Universe's stellar baby boom

Astronomers use ALMA to detect 26 distant galaxies, revealing the most distant detection of water in the cosmos. The findings show that star birth bursts occurred much earlier than previously thought, with some galaxies as bright as 40 trillion Suns.

SourceMcGill University·JournalNature·DateMar 13, 2013
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

NASA sees large decrease in Cyclone Sandra's rainfall intensity

NASA's TRMM satellite detected a significant drop in rainfall intensity of Cyclone Sandra from March 11 to 13, with the heaviest rain falling south of the storm's center. The weakening tropical cyclone moved into an area of high wind shear and cold sea surface temperatures, expected to transform it into a cold-core system.

SourceNASA/Goddard Space Flight Center·DateMar 13, 2013

Normal prion protein regulates iron metabolism

Researchers at Case Western Reserve University found that normal prion protein PrPc plays a crucial role in regulating iron metabolism, which may contribute to neuronal death in CJD. Iron imbalance caused by prion aggregation leads to neurotoxicity and brain cell death.

SourceCase Western Reserve University·DateMar 13, 2013
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

New survey reports low rate of patient awareness during anesthesia

A recent UK survey found a significantly lower incidence of accidental awareness during general anaesthesia, with one episode known to anaesthetists in every 15,000 procedures. The study suggests that the use of brain monitoring technology is also low, with only 2% of anaesthetists routinely using it.

SourceWiley·JournalAnaesthesia·DateMar 12, 2013

When hungry, Gulf of Mexico algae go toxic

A new study by North Carolina State University and NOAA found that harmful algal blooms in the Gulf of Mexico become two to seven times more toxic when phosphorus levels are low. This increased toxicity allows the algae to defend themselves against grazing zooplankton, posing a threat to human health and ecosystem.

SourceNorth Carolina State University·JournalPLOS ONE·DateMar 12, 2013

Young pigs prefer traditional soybean diet

In a new study, researchers found that young pigs prefer a diet rich in soybean meal, with a clear preference for this ingredient over other meal options. Replacing soybean meal with canola meals could lead to cost savings in pork production, but glucosinolates may impact feed quality.

SourceAmerican Society of Animal Science·JournalJournal of Animal Science·DateMar 12, 2013
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Americans and religion increasingly parting ways

A new US survey reveals that one in five Americans (20%) have no religious preference, a significant increase from 1990. The General Social Survey found that only 8% of respondents were raised without religion, but 3% identified as atheists.

SourceUniversity of California - Berkeley·DateMar 12, 2013
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Single concussion may cause lasting brain damage

A single concussion can cause lasting structural damage to the brain, according to a new study. Brain atrophy has been found in patients one year after mild traumatic brain injury (MTBI), which may explain long-term neurological and psychological symptoms. The study also identified specific brain regions affected by MTBI.

SourceRadiological Society of North America·JournalRadiology·DateMar 12, 2013

New distance record for 400 Gb/s data transmission

Engineers at AT&T Labs have devised a new technique to enable 400 Gb/s signals to be transmitted over ultra-long distances using current-generation systems. The team successfully transmitted 400 Gb/s signals over a record-breaking 12,000 km distance.

SourceOptica·DateMar 12, 2013
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Political strife undermines HIV treatment

A new paper highlights how political conflict can lead to disrupted treatment, promoting resistance to antiretroviral drugs and treatment failure. The authors call for further research and planning to mitigate the effects of treatment interruption in strife-prone nations with high rates of HIV infection.

SourceBrown University·JournalAids Reviews·DateMar 12, 2013

The nose's unheralded neighbor

Researchers discovered that maxillary sinuses change size to accommodate different climates, affecting nasal cavity shape and function. The study found a significant correlation between nose size and sinus volume in both African and European populations.

SourceUniversity of Iowa·JournalThe Anatomical Record·DateMar 12, 2013

Updated 'stereo EEG' workflow simplifies planning of epilepsy surgery

The updated SEEG technique combines sophisticated imaging data reconstructions and robot-assisted surgery to provide essential information in complex cases of drug-resistant epilepsy. The new workflow reduces procedural error risks and improves accuracy in localizing the epileptogenic zone.

SourceWolters Kluwer Health·JournalNeurosurgery·DateMar 12, 2013
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

AGU journal highlights - March 12, 2013

Recent research highlights a catastrophic acceleration in Canadian Arctic glacier melt, with projections suggesting up to 18% mass loss by the end of the century. Climate change is deemed effectively irreversible, according to model simulations.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateMar 12, 2013

Potential early indicator of kidney injury identified

Researchers identify semaphorin 3A as a sensitive biomarker for early detection of acute kidney injury, which can help minimize damage and potentially reverse it with rapid intervention. High levels of the protein in urine are accurate at identifying injured kidneys within two hours after cardiopulmonary bypass surgery.

SourceMedical College of Georgia at Augusta University·JournalPLOS ONE·DateMar 12, 2013

Weight gain after quitting smoking does not negate health benefits

A study led by Massachusetts General Hospital found that quitting smoking significantly reduces the risk of heart attack, stroke, and cardiovascular death. Despite potential weight gain, the benefits of stopping smoking far outweigh any associated risks, according to the research.

SourceMassachusetts General Hospital·JournalJAMA·DateMar 12, 2013
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Antibiotic-resistant strain of E. coli increasing among older adults and residents of nursing homes

A recent study reveals that antibiotic-resistant E. coli strain ST131 is increasingly found in hospitals and long-term care facilities, particularly among older adults and nursing home residents. The study found that LTCF residence was the strongest predictor of ST131 infection, with LTCF residents having 8 times the risk of contractin...

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateMar 12, 2013

Marine diversity study proves value of citizen science

A new research study published in Methods in Ecology and Evolution found that methods used by amateur citizen scientists compare well with traditional scientific methods for monitoring species diversity. The study detected greater marine diversity using a volunteer technique than traditional scientific surveys in the same waters.

SourceUniversity of East Anglia·JournalMethods in Ecology and Evolution·DateMar 12, 2013

BUSM study reveals therapeutic targets to alter inflammation, type 2 diabetes

A study from Boston University School of Medicine reveals that B cells secrete pro-inflammatory cytokines promoting insulin resistance and directly regulating inflammatory T cells. This discovery supports the exploration of FDA-approved B cell depletion drugs as novel agents to prevent obesity-associated inflammation and type 2 diabetes.

SourceBoston University School of Medicine·JournalProceedings of the National Academy of Sciences·DateMar 12, 2013
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Bitter melon juice prevents pancreatic cancer in mouse models

Researchers found that bitter melon juice restricts glucose metabolism and kills pancreatic cancer cells, cutting their energy source. The study used mouse models and showed a 60% reduction in disease development compared to controls.

SourceUniversity of Colorado Anschutz Medical Campus·JournalCarcinogenesis·DateMar 12, 2013

UF study shows spiders, not birds, may drive evolution of some butterflies

A UF study found that a false head pattern on hairstreak butterflies is 100% effective against jumping spider attacks. The appearance of the pattern was thought to deter birds from attacking the butterflies, but the research suggests that small arthropods may influence butterfly evolution.

SourceUniversity of Florida·JournalJournal of Natural History·DateMar 12, 2013

Some bacteria may protect against disease caused by stomach infection

Researchers found that certain bacteria in the stomach microflora can change the response to Helicobacter pylori infection, potentially allowing for prediction of disease development and identification of potential probiotics. The study, published in Infection and Immunity, has implications for treating human infections.

SourceUniversity of California - Santa Cruz·JournalInfection and Immunity·DateMar 12, 2013
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Kid's consumption of sugared beverages linked to higher caloric intake of food

A new study published in the American Journal of Preventive Medicine found that sugared beverages are primarily responsible for increased caloric intakes in children. The research, which analyzed data from over 10,000 children aged 2-18, also showed a link between higher consumption of sugared beverages and consumption of unhealthy foods.

SourceElsevier Health Sciences·JournalAmerican Journal of Preventive Medicine·DateMar 12, 2013

Mystery of 'zombie worm' development unveiled

A new study elucidates the reproductive strategy of bone-eating worms, shedding light on their postembryonic development and sexual maturation. The researchers observed the duration of the larval stage, male dwarfism, and rapid female spawning, enabling effective reproduction in a food-rich but isolated habitat.

SourceSpringer·DateMar 12, 2013

Fertility after ectopic pregnancy: Study finds reassuring evidence on different treatments

A randomized trial compared treatments for ectopic pregnancies, finding no significant differences in subsequent fertility between medical treatment and conservative surgery. The study suggests that medical treatment may be preferred for less active ectopic pregnancies due to fewer risks, while surgical treatment is recommended for wom...

SourceEuropean Society of Human Reproduction and Embryology·JournalHuman Reproduction·DateMar 12, 2013
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Device may lead to quicker, more efficient diagnostics

Researchers developed a new thin film technology that allows for simultaneous analysis of multiple substances, leading to faster and more efficient diagnostics. The device can detect changes in chemical composition using optical fingerprints, offering improved accuracy and reliability compared to existing state-of-the-art technology.

SourcePenn State·JournalScientific Reports·DateMar 12, 2013

Asterix's Roman foes -- Researchers have a better idea of how cancer cells move and grow

Scientists at the University of Montreal's IRIC have identified a key mechanism that enables cancer cells to coordinate their movement, allowing them to disseminate efficiently in the body. By understanding this mechanism, researchers hope to develop molecular targets to disrupt collective cell migration and fight metastasis formation.

SourceUniversity of Montreal·JournalNature Cell Biology·DateMar 12, 2013

Cryptic clams: U-M biologists find species hiding in plain view

Researchers discovered three new, previously unknown clam species that diverged from a common ancestor over 10 million years ago. A climate-cooling event may have played a role in their evolution, leading to the creation of distinct biogeographic provinces along Australia's coastline.

SourceUniversity of Michigan·JournalMolecular Ecology·DateMar 12, 2013
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.